Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
1#ifndef __LINUX_PIM_H
2#define __LINUX_PIM_H
3
4#include <asm/byteorder.h>
5
6#ifndef __KERNEL__
7struct pim {
8#if defined(__LITTLE_ENDIAN_BITFIELD)
9 __u8 pim_type:4, /* PIM message type */
10 pim_ver:4; /* PIM version */
11#elif defined(__BIG_ENDIAN_BITFIELD)
12 __u8 pim_ver:4; /* PIM version */
13 pim_type:4; /* PIM message type */
14#endif
15 __u8 pim_rsv; /* Reserved */
16 __be16 pim_cksum; /* Checksum */
17};
18
19#define PIM_MINLEN 8
20#endif
21
22/* Message types - V1 */
23#define PIM_V1_VERSION __constant_htonl(0x10000000)
24#define PIM_V1_REGISTER 1
25
26/* Message types - V2 */
27#define PIM_VERSION 2
28#define PIM_REGISTER 1
29
30#if defined(__KERNEL__)
31#define PIM_NULL_REGISTER __constant_htonl(0x40000000)
32
33/* PIMv2 register message header layout (ietf-draft-idmr-pimvsm-v2-00.ps */
34struct pimreghdr
35{
36 __u8 type;
37 __u8 reserved;
38 __be16 csum;
39 __be32 flags;
40};
41
42struct sk_buff;
43extern int pim_rcv_v1(struct sk_buff *);
44#endif
45#endif